■) 



ACTINOZOA. 



197 



fioantharia have reference to the form of the 

 polype, with its tentacles and corallum, and that 

 of the compound mass resulting therefrom by 



a repetition of the process of gemmation. 

 _..;^c w hich these animals L ' 



varieties 



The 

 present in size 



colour, and the superficial aspect of the body are 

 too multifarious to admit of any precise general 



enunciation. 



•%• 34- 



^oanthaeia malacodermata : — a, Actinia (or Sagartia) 



rosea; b, Eyanthus Scoticus ; c, Arachnactis albida ; d, Zoanthus 

 ^mhu. (Natural size. ) 



The form and structure of the polype has been 

 °est studied in the soft-bodied Zoantharians, more 



O 3 



